>1za2B (B:) SEQRES residues mthdnklqveaikrgtvidhipaqigfkllslfkltetdqritiglnlpsgemgrkdlik ientflsedqvdqlalyapqatvnridnyevvgksrpslperidnvlvcpnsncishaep vsssfavrkrandialkckycekefshnvvlan